Google Cloud Document OCR Connected System: Unable to start OCR

Hi All,

I am trying to implement Google OCR on PDF files and came across appian google OCR plugin which does exactly what I am trying to acheive. although I am facing issue while making a request to start OCR.

Plugin notes mention to use google cloud storage file path as input to OCR and output will also be stored to cloud storage. Servie account should have access to cloud storage. I setup my permissions accurately.

PS : In the output file path I tried file name with and without extension and the result is same

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